Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
gm

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "^\"[\\w ]+ \\w*. \\w*.\\d*.\\nTX \\d*\\n\\((\\d*.+), (\\-\\d*.\\d*)\\)\""; final String string = "Location\n" + "\"3415 Sweetgum Trc\n" + "TX 78713\n" + "(30.459330, -97.824449)\"\n" + "\"4420 Dovemeadow Dr\n" + "TX 78744\n" + "(30.188962, -97.750896)\"\n" + "\"7400 Espira Drive\n" + "TX 78739\n" + "(30.184748, -97.917591)\"\n" + "\"9321 Bavaria Ln.\n" + "TX 78749\n" + "(30.202255, -97.874029)\"\n" + "\"11504 Murcia Dr\n" + "TX 78759\n" + "(30.409891, -97.738812)\"\n" + "\"13101 Winding Creek Rd\n" + "TX 78736\n" + "(30.240521, -97.992054)\"\n" + "\"7128 Mumruffin Ln\n" + "TX 78754\n" + "(30.34478, -97.61014)\"\n" + "\"2815 Oak Ridge Dr\n" + "TX 78669\n" + "(30.368907, -98.036141)\"\n" + "\"903 Vincent Place\n" + "TX 78660\n" + "(30.443807, -97.651466)\"\n" + "\"4704 Sunridge Ct\n" + "TX 78741\n" + "(30.219579, -97.727328)\"\n" + "\"5931 Cape Coral Dr\n" + "TX 78746\n" + "(30.278937, -97.836048)\"\n" + "\"2815 Oak Ridge Dr\n" + "TX 78669\n" + "(30.368907, -98.036141)\"\n" + "\"8701 Bluffstone Cv. #2202\n" + "TX 78759\n" + "(30.389267, -97.766356)\"\n" + "\"20608 Ed Acklin Rd\n" + "TX 78653\n" + "(30.27633, -97.49126)\"\n" + "\"11824 Morning View Dr\n" + "TX 78617\n" + "(30.15396, -97.647841)\"\n" + "\"7600 Bloomfield Ave\n" + "TX 78745\n" + "(30.204901, -97.828946)\"\n" + "\"14329 Teacup Ln\n" + "TX 78660\n" + "(30.418056, -97.636821)\"\n" + "\"4809 Clear View Dr\n" + "TX 78725\n" + "(30.244119, -97.581393)\"\n" + "\"11511 Catalonia Dr\n" + "TX 78759\n" + "(30.410848, -97.739218)\"\n" + "\"18300 Belfry Pass\n" + "TX 78653\n" + "(30.31697, -97.53009)\"\n" + "\"705 Texas St\n" + "TX 78705\n" + "(33.222247, -97.124425)\"\n" + "\"12904 Schleicher Trl\n" + "TX 78732\n" + "(30.381982, -97.893992)\"\n" + "\"11929 Rosethorn Dr\n" + "TX 78758\n" + "(30.400166, -97.700383)\"\n" + "\"2520 East 3rd St\n" + "TX 78702\n" + "(30.255743, -97.714709)\"\n" + "\"11305 Cezanne St\n" + "TX 78726\n" + "(30.44945, -97.820962)\"\n" + "\"5336 Magdelena Dr\n" + "TX 78704\n" + "(30.257704, -97.833415)\"\n" + "\"2401 Cecil Dr\n" + "TX 78744\n" + "(30.165036, -97.773046)\"\n" + "\"5205 Bantom Woods Bnd.\n" + "TX 78721\n" + "(30.273542, -97.631229)\"\n" + "\"2401 Cecil Dr\n" + "TX 78744\n" + "(30.165036, -97.773046)\"\n" + "\"2718 Jorwoods Dr\n" + "TX 78745\n" + "(30.201176, -97.821866)\"\n" + "\"7200 Reaburn St.\n" + "TX 78749\n" + "(30.213462, -97.836052)\"\n" + "\"6204 Skahan Ln.\n" + "TX 78739\n" + "(30.187183, -97.892496)\"\n" + "\"905 Tudor House Road\n" + "TX 78660\n" + "(30.421455, -97.640466)\"\n" + "\"1205 Quail Park Dr\n" + "TX 78758\n" + "(30.365438, -97.706068)\"\n" + "\"6204 Skahan Ln.\n" + "TX 78739\n" + "(30.187183, -97.892496)\"\n" + "\"7002 Montana St\n" + "TX 78741\n" + "(30.228851, -97.691627)\"\n" + "\"3703 Grayson Ln\n" + "TX 78722\n" + "(30.288239, -97.708983)\"\n" + "\"1302 Canyon Edge Dr\n" + "TX 78733\n" + "(30.336045, -97.864337)\"\n" + "\"11824 Morning View Dr\n" + "TX 78617\n" + "(30.15396, -97.647841)\"\n" + "\"4707 Carsonhill Dr\n" + "TX 78723\n" + "(30.288236, -97.676578)\"\n" + "\"1411 Justin Ln\n" + "TX 78757\n" + "(30.341012, -97.727488)\"\n" + "\"6319 Parliament Dr. #A\n" + "TX 78724\n" + "(30.286891, -97.658975)\"\n" + "\"5205 Bantom Woods Bnd.\n" + "TX 78721\n" + "(30.273542, -97.631229)\"\n" + "\"1304 Neans Dr.\n" + "TX 78758\n" + "(30.376535, -97.700762)\"\n" + "\"7701 Callbram Ln\n" + "TX 78736\n" + "(30.233294, -97.892511)\"\n" + "\"14329 Teacup Ln\n" + "TX 78660\n" + "(30.418056, -97.636821)\"\n" + "\"14028 Lakeview Dr\n" + "TX 78732\n" + "(30.414976, -97.89322)\"\n" + "\"5107 Saddle Cir.\n" + "TX 78727\n" + "(30.422686, -97.733608)\"\n" + "\"1302 Lipan Trl\n" + "TX 78733\n" + "(30.33921, -97.870528)\"\n" + "\"11511 Catalonia Dr\n" + "TX 78759\n" + "(30.410848, -97.739218)\"\n" + "\"14707 Reynero Ln. #E\n" + "TX 78617\n" + "(30.089307, -97.64347)\"\n" + "\"3705 Robinson Ave.\n" + "TX 78722\n" + "(30.293536, -97.719088)\"\n" + "\"412 Summer Alcove Way\n" + "TX 78732\n" + "(30.340744, -97.912968)\"\n" + "\"7200 Reaburn St.\n" + "TX 78749\n" + "(30.213462, -97.836052)\"\n" + "\"7201 Levander Loop\n" + "TX 78702\n" + "(30.251079, -97.691727)\"\n" + "\"2401 Emmett Pkwy\n" + "TX 78728\n" + "(30.452414, -97.677731)\"\n" + "\"6319 Parliament Dr. #A\n" + "TX 78724\n" + "(30.286891, -97.658975)\"\n" + "\"1910 Haskell St.\n" + "TX 78722\n" + "(30.252278, -97.725848)\"\n" + "\"2813 Tradewind Dr.\n" + "TX 78669\n" + "(30.362084, -98.024851)\"\n" + "\"7916 Adelaide Dr\n" + "TX 78739\n" + "(30.19158, -97.919402)\"\n" + "\"903 Vincent Place\n" + "TX 78660\n" + "(30.443807, -97.651466)\"\n" + "\"4812 Candletree Ln\n" + "TX 78744\n" + "(30.188398, -97.74624)\"\n" + "\"6604 Jamaica Ct\n" + "TX 78757\n" + "(30.347375, -97.748886)\""; final String subst = "\\1\\t\\2"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); // The substituted value will be contained in the result variable final String result = matcher.replaceAll(subst); System.out.println("Substitution result: " + result); } }

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html